Hot stuff: top 10 chillies in order of heat

That well-known condiment, Tabasco sauce, scores 2,500-5,000 SHU (so use it sparingly in your Bloody Marys). Around this level is also to be found the jalapeño (apparently named after the Mexican town of Xalapa, where it originated), pictured, which can range from 2,500-10,000 SHU.